14844121321 has 2 divisors, whose sum is σ = 14844121322. Its totient is φ = 14844121320.

The previous prime is 14844121273. The next prime is 14844121361. The reversal of 14844121321 is 12312144841.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7931861721 + 6912259600 = 89061^2 + 83140^2 .

It is an emirp because it is prime and its reverse (12312144841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14844121321 - 2²⁹ = 14307250409 is a prime.

It is not a weakly prime, because it can be changed into another prime (14844121361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7422060660 + 7422060661.

It is an arithmetic number, because the mean of its divisors is an integer number (7422060661).

Almost surely, 2^14844121321 is an apocalyptic number.

It is an amenable number.

14844121321 is a deficient number, since it is larger than the sum of its proper divisors (1).

14844121321 is an equidigital number, since it uses as much as digits as its factorization.

14844121321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6144, while the sum is 31.

The spelling of 14844121321 in words is "fourteen billion, eight hundred forty-four million, one hundred twenty-one thousand, three hundred twenty-one".